New DoD common access cards will aid security officials who are visually color impaired by adding encircled letters “W” for military and civilian employees, “G” for contractors and “B” for foreign nationals. Courtesy image New DoD common access cards will aid security officials who are visually color impaired by adding encircled letters “W” for military and civilian employees, “G” for contractors and “B” for foreign nationals. Courtesy image SHARE: Download: Full Size (0.63 MB) Credit: VIRIN: 238010-G-OKS75-672.jpg Photo Gallery